noun 下载 🔗分享 二等分线，平分线 A bisector, which divides into two equal parts. Examples : "The line through the center bisects the circle into two equal halves. " 穿过圆心的直线将圆二等分，分成两个相等的半圆。 math part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 对剖邮票, 邮票对剖票。 An envelope, card, or fragment thereof showing an affixed cut half of a regular issued stamp, over which one or more postal markings have been applied. Typically used in wartime when normal lower rate stamps may not be available. Examples : "During the wartime stamp shortage, collectors eagerly sought bisects as evidence of ingenuity and postal history. " 在战时邮票短缺期间，集邮爱好者们热衷于寻找对剖邮票，视其为智慧和邮政历史的见证。 stationery war history communication item 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 平分，等分。 To cut or divide into two parts. Examples : "The median line bisects the triangle into two equal areas. " 中线将三角形平分成面积相等的两部分。 math part 与AI对话词汇游戏阅读练习
